EARNINGS PER SHARE (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Earnings Per Share [Abstract]
Net loss attributable to Altisource	$ (3,184)	$ (4,132)
Weighted average common shares outstanding, basic (in shares)	16,292	17,378
Weighted average common shares outstanding, diluted (in shares)	16,292	17,378
Loss per share:
Basic (in usd per share)	$ (0.20)	$ (0.24)
Diluted (in usd per share)	$ (0.20)	$ (0.24)
Anti-dilutive securities
Options, restricted shares and restricted share units excluded from the computation of diluted EPS (in shares)	300	500
Employee and non-employee stock options
Anti-dilutive securities
Options, restricted shares and restricted share units excluded from the computation of diluted EPS (in shares)	300	300
Options, restricted shares and restricted share units issuable upon achievement of market and performance criteria
Anti-dilutive securities
Options, restricted shares and restricted share units excluded from the computation of diluted EPS (in shares)	800
Options issuable upon achievement of certain market and performance criteria
Anti-dilutive securities
Options, restricted shares and restricted share units excluded from the computation of diluted EPS (in shares)		600